Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194192 | Method for preparing watertight and fireproof cable ducts through ceilings and walls | — | 1993-03-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194192 | Method for preparing watertight and fireproof cable ducts through ceilings and walls | — | 1993-03-16 |